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The faces of a cube are numbered from 6 to 11 in such a way that the sum of the numbers on opposite faces is the same. What is this sum?
a. 17
b.11
c.8.5
d.6
e.51

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TCS Other Question

How many of the first 66 positive integers are divisible by all the numbers 2, 3, 4 and 5?
a.2
b.4
c.3
d.0
e.1
A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9s are used in numbering these buildings?
a.9
b.19
c.20
d.21